weird bacteria

Tom Knight tk at suspiria.ai.mit.edu
Thu Feb 27 14:04:01 EST 2003


Trond Erik Vee Aune <trondaun at biotech.REMOVETHISBEFOREREPLYING.ntnu.no> writes:
> other different bacteria, I streaked it onto a new plate. For some
> reason it did not come up as a continous smear, but as distinct
> colonies, even where I had put a large amount of colony material. And
> more surprising, it even came up at places where I had not streaked. I
> tried it again, and this time I shook the needle before streaking to
> try to remove possible spores. When streaking, I made sure to keep the
> needle close to the surface of the agar. Despite of all these efforts,
> new colonies grew up up to 1,5 cm away from the area where I had put
> the colony material. And still no continous growth, almost like they
> are inhibiting themselves.

I presume you tried culturing one of your plates without streaking
anything on it...  If not, and you get colonies on it, then this
sounds like your autoclave needs fixing.





More information about the Microbio mailing list